How long until a robot is doing your chores?

Imagine the biggest market for a physical product you can. Are you thinking of mobile phones? Cars? Property?

They are all chunky markets but in the coming decades a new product will be rolled out that will dwarf those giants, says Geordie Rose, the chief executive of Sanctuary AI.

The Vancouver-based firm is developing a humanoid robot called Phoenix which, when complete, will understand what we want, understand the way the world works and have the skills to carry out our commands.